Nuprl Lemma : assert-has-src

[i:Id]. ∀[k:Knd].  uiff(↑has-src(i;k);(↑isrcv(k)) c∧ (source(lnk(k)) i ∈ Id))


Proof




Definitions occuring in Statement :  has-src: has-src(i;k) lsrc: source(l) lnk: lnk(k) isrcv: isrcv(k) Knd: Knd Id: Id assert: b uiff: uiff(P;Q) uall: [x:A]. B[x] cand: c∧ B equal: t ∈ T
Lemmas :  assert_witness isrcv_wf assert_wf has-src_wf Id_wf lsrc_wf lnk_wf Knd_wf assert-eq-id
\mforall{}[i:Id].  \mforall{}[k:Knd].    uiff(\muparrow{}has-src(i;k);(\muparrow{}isrcv(k))  c\mwedge{}  (source(lnk(k))  =  i))



Date html generated: 2015_07_17-AM-09_13_53
Last ObjectModification: 2015_01_28-AM-07_54_54

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